Sunspot region AR13845
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2024/10/01 | 5 | 30 | CRO | N19W46 | |
| 2024/10/02 | 6 | 10 | BXO | N19W60 | |
| 2024/10/03 | 1 | 10 | AXX | N19W74 | |
| 2024/10/04 | 1 | 10 | AXX | N19W85 | |
| 2024/10/05 | 1 | 10 | AXX | N18W0* |
2024/10/01
2024/10/02
2024/10/03
2024/10/04
2024/10/05
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2024/10/01
2024/10/02
2024/10/03
2024/10/04
2024/10/05
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| C | M |
|---|---|
| 1 | 1 |
The top 2 solar flares from sunspot region 13845
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.2 | 2024/10/04 | 22:04 | 22:11 | 22:18 | |
| 2 | C7.5 | 2024/10/02 | 17:34 | 17:41 | 17:46 |
Latest news
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Latest forum messages
AR4405 12AR4401 65Incoming & Unnumbered Active Regions 256Photographing auroras 234SDO Imagery is not updated? 6
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/26 | M4.0 |
| Last geomagnetic storm | 2026/03/25 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 81.4 +3.2 |
| Last 30 days | 80 -0.8 |